What is the air quality trend in Squamish?

Over the past 14 days, Squamish had an average AQI of 43 based on station measurements. The worst day was 2026-05-25 with AQI 63.

How is Squamish air quality measured?

Air quality in Squamish is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Squamish, Canada

Name: Squamish Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Squamish, Canada.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	37	6–143	10.5 µg/m³	2.1	24h	11
2026-05-29	38	15–127	10.0 µg/m³	2.3	24h	13
2026-05-28	33	12–196	12.5 µg/m³	2.3	24h	11
2026-05-27	55	13–158	17.6 µg/m³	1.8	24h	10
2026-05-26	59	5–178	21.8 µg/m³	1.8	24h	11
2026-05-25	63	15–193	25.0 µg/m³	3.0	24h	12
2026-05-24	59	20–114	17.4 µg/m³	3.7	24h	15
2026-05-23	34	7–127	9.3 µg/m³	4.4	24h	10
2026-05-22	35	10–69	8.8 µg/m³	3.1	24h	10
2026-05-21	37	16–76	9.4 µg/m³	2.3	24h	12
2026-05-20	52	8–176	17.3 µg/m³	1.7	24h	10
2026-05-19	50	11–95	14.8 µg/m³	2.4	24h	9
2026-05-18	24	3–119	6.5 µg/m³	2.1	24h	6
2026-05-17	27	2–129	8.3 µg/m³	1.3	24h	5

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